package com.itany.nmms.service.impl;

import com.itany.nmms.constant.StatusConstant;
import com.itany.nmms.dao.StaffDao;
import com.itany.nmms.entity.Staff;
import com.itany.nmms.exception.CodeErrorException;
import com.itany.nmms.exception.RequestParameterErrorException;
import com.itany.nmms.exception.StaffNotExistException;
import com.itany.nmms.service.StaffService;
import com.itany.nmms.util.MD5Util;
import com.itany.nmms.util.ParameterUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

@Service
@Transactional(propagation = Propagation.REQUIRED,rollbackFor = Exception.class)
public class StaffServiceImpl implements StaffService {

    @Autowired
    private StaffDao staffDao;

    @Transactional(propagation = Propagation.SUPPORTS,readOnly = true)
    @Override
    public Staff login(String loginName, String password, String role, String code, String image) throws RequestParameterErrorException, CodeErrorException, StaffNotExistException {
        if(ParameterUtil.isNull(loginName) || ParameterUtil.isNull(password) || ParameterUtil.isNull(role) || ParameterUtil.isNull(code) || ParameterUtil.isNull(image)){
            throw new RequestParameterErrorException("请求参数有误");
        }

        if(!code.equals(image)){
            throw new CodeErrorException("验证码不正确");
        }

        Staff staff = staffDao.selectByLoginNameAndPassword(loginName, MD5Util.md5(password),role, StatusConstant.STAFF_IS_VALID_ENABLED);
        if(null == staff){
            throw new StaffNotExistException("账号或密码错误");
        }

        return staff;
    }
}
